Re: [PATCH] virtio: Define and use per-architecture "pfn shift" constants

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On Wed, 2008-11-05 at 22:49 -0600, Hollis Blanchard wrote:

> -       info->queue = kzalloc(PAGE_ALIGN(vring_size(num,PAGE_SIZE)), GFP_KERNEL);
> +       vring_bytes = PAGE_ALIGN(vring_size(num, VRING_PAGE_SIZE));
> +       info->queue = kzalloc(vring_bytes, GFP_KERNEL);

You're still aligning the size to PAGE_SIZE rather than VRING_PAGE_SIZE?

But actually, why do we align the size anyway?

Also might make sense for vring_init() and vring_size() not to take a
pagesize argument and hard-code them to use VRING_PAGE_SIZE.

Cheers,
Mark.

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